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Formula: NaAl8V10O38.30H2O
Hydrated vanadate
Crystal System: Monoclinic
Specific gravity: 2.3 to 2.4 measured, 2.15 calculated
Colour: Bright yellow with orange tint
Solubility: Easily soluble in cold dilute hydrochloric acid
Environments
Localities
At the type locality, the Kurumsak V Deposit, Aksumbe, Turkistan Region, Kazakhstan, vanalite occurs
encrusting joints and cavities in weathered shale. Associated
minerals include steigerite,
hewettite, delvauxite,
satpaevite, gypsum,
halloysite,
montmorillonite and other
clay minerals
(HOM).
Vanalite from the Kurumsak V Deposit -
Image
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